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Geologic units in Wilkes county, Georgia

Granite Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 26 % of this area

Granite Gneiss/ Amphibolite

Felsic Metavolcanics (Precambrian-Paleozoic) at surface, covers 21 % of this area

Felsic Metavolcanics

Metadacite (Precambrian-Paleozoic) at surface, covers 15 % of this area

Metadacite

Undifferentiated Metavolcanics/ Sericite phyllite/ Meta-argillite/ Quartz mica schist (Precambrian-Paleozoic) at surface, covers 13 % of this area

Undifferentiated Metavolcanics/ Sericite phyllite/ Meta-argillite/ Quartz mica schist

Porphyritic granite (Precambrian-Paleozoic) at surface, covers 6 % of this area

Porphyritic granite

Epidote Quartzite/ Amphibolite/ Sericite Schist/ Biotite Granite Gneiss (Precambrian-Paleozoic) at surface, covers 5 % of this area

Epidote Quartzite/ Amphibolite/ Sericite Schist/ Biotite Granite Gneiss

Granitic Gneiss undifferentiated (Precambrian-Paleozoic) at surface, covers 4 % of this area

Granitic Gneiss undifferentiated

Granite undifferentiated (Precambrian-Paleozoic) at surface, covers 2 % of this area

Granite undifferentiated

Amphibolite/ Epidote Quartzite/ Granite Gneiss (Precambrian-Paleozoic) at surface, covers 2 % of this area

Amphibolite/ Epidote Quartzite/ Granite Gneiss

Granite Gneiss/ Granite (Precambrian-Paleozoic) at surface, covers 2 % of this area

Granite Gneiss/ Granite

Quartzite/ Mica Schist (Precambrian-Paleozoic) at surface, covers 1 % of this area

Quartzite/ Mica Schist

Sericite Schist/ Micaceous Quartzite/ Sericite Phyllite (Precambrian-Paleozoic) at surface, covers 1 % of this area

Sericite Schist/ Micaceous Quartzite/ Sericite Phyllite

Quartz Sericite Schist/ Biotitic Gneiss (Precambrian-Paleozoic) at surface, covers 0.8 % of this area

Quartz Sericite Schist/ Biotitic Gneiss

Mica Schist/ Gneiss/ Amphibolite (Precambrian-Paleozoic) at surface, covers 0.3 % of this area

Mica Schist/ Gneiss/ Amphibolite

Sericite Schist/ Amphibolite (Precambrian-Paleozoic) at surface, covers 0.2 % of this area

Sericite Schist/ Amphibolite

Meta-argillite/ Sericite phyllite/ Metavolcanics (Precambrian-Paleozoic) at surface, covers 0.2 % of this area

Meta-argillite/ Sericite phyllite/ Metavolcanics

Syenite (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Syenite

Hornblende Gneiss/ Amphibolite/ Granite Gneiss (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Hornblende Gneiss/ Amphibolite/ Granite Gneiss

Ultramafic rocks undifferentiated (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Ultramafic rocks undifferentiated

Mica Schist (Precambrian-Paleozoic) at surface, covers < 0.1 % of this area

Mica Schist